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| - | This is a step-by-step guide designed to be easy to follow so that you can make reproducible, good dumps of your GD-ROMs to the Redump standard. We have been unsuccessful getting GD-R's to dump with the redump method, further testing may be required.
| + | '''GD-ROM''' dumping guide. See [[GD-R Dumping Guide|here]] for information about dumping GD-R (recordable) discs. |
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| - | Note: Some GD-Roms will NOT dump with this method, and require a TOSEC-style SD Card dump for the HD area which then has to be "fixed" to meet redump spec. If the game is a single track in the HD area, then the TOSEC-style dump will be equal a redump dump for HD area, LD area still needs Plextor dumping. See [[GD-Rom SD Card Dumping Guide]].
| + | GD discs were used by the Sega Dreamcast console and Sega NAOMI, Sega NAOMI 2, Sega Chihiro, and Triforce arcade systems. |
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| - | '''NOTE: A work in progress video dumping tutorial guide is available [https://www.youtube.com/playlist?list=PLQB0cW1F4d0umPPY-vU1BHhjH1iyry2Yd here].'''
| + | The discs contain two distinct areas, a Low Density Area ("LD Area") and a High Density Area ("HD Area"), physically separated by a [https://en.wikipedia.org/wiki/GD-ROM#/media/File:Gdrom.jpg ring]. You'll need to dump both areas of the disc, each requiring different drive models and methods. |
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| - | ==What are GDs?== | + | ==LD Area== |
| - | GDs (Gigadiscs) are the type of [[wikipedia:Optical disc|optical media]] used by the [[wikipedia:Dreamcast|Sega Dreamcast]] as well as the [https://segaretro.org/Sega_NAOMI Sega NAOMI], [https://segaretro.org/Sega_NAOMI_2 Sega NAOMI 2], [https://segaretro.org/Sega_Chihiro Sega Chihiro] and [https://segaretro.org/Triforce Triforce] arcade systems. The disc contains two distinct areas, a Low Density (LD) Area and a High Density (HD) Area, physically separated by a ring. To get a good dump, you need to extract both Areas from the disc.
| + | '''Tools''' |
| | + | * [[Optical Disc Drive Compatibility: CD|CD-ROM compatible disc drive]] |
| | + | * Windows, Linux, or macOS computer |
| | + | * [https://github.com/SabreTools/MPF/releases MPF application] (includes Redumper) |
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| - | If you have any of the officially released discs for the Dreamcast or any of the above mentioned arcade systems, you are pretty much guaranteed to have a GD. The Dreamcast did however support loading of [[wikipedia:MIL-CD|MIL-CDs]], which lead to a number of unlicensed software being pressed on regular CD-Roms. Check for the GD-ROM logo on the disc or check the reflective side of the disc for a visible LD/HD Area divide if you are unsure.
| + | '''Dumping''' |
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| - | ==Tools==
| + | The LD Area is formatted like a standard CD-ROM, so should be dumped using the standard [[Disc Dumping Guide (MPF)]]. The CD-ROM profile should be selected in MPF. |
| - | First you need to make sure you have the necessary equipment. To dump a GD you need:
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| - | * Windows PC
| + | ==HD Area== |
| - | * [[DiscImageCreator: Optical Disc Drive Compatibility#GD-Rom|Compatible drive(s)]] | + | '''Tools''' |
| - | * [https://github.com/reignstumble/DICUI/releases/latest DICUI app] | + | * [[Optical Disc Drive Compatibility: GD-ROM|GD-ROM compatible disc drive]] |
| - | * Download [https://archive.org/download/VGPCGDRomDumpingKit_201811/VGPC%20GD-Rom%20Dumping%20Kit.7z VGPC GD-Rom Dumping Kit] (audio trap disc image, dcdumper, ice, startstop)
| + | * Windows or Linux computer |
| - | * CD-R to create an Audio Trap Disc.
| + | * [https://github.com/MoriGM/dreamdump/releases dreamdump app] |
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| - | ==Burning an Audio Trap Disc==
| + | '''Dumping''' |
| - | You'll need an Audio Trap Disc for the HD Area dumping process as it tricks your drive into reading into that part of the disc.
| + | * Open command line interface app |
| - | | + | * cd (change directory) to the location of the dreamdump app. |
| - | The Audio Trap Disc image is included with the VGPC GD-Rom Dumping Kit. Because the image intentionally has errors, many programs won’t burn it properly. We’ve found that [https://www.redfox.bz/en/clonecd.html CloneCD] (free trial) can reliably burn it properly:
| + | * Dump with the following command: dreamdump disc --drive="[drive letter]" --image-name="" |
| - | * Open CloneCD and click on "Write from ImageFile".
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| - | * Click on "Browse" and navigate to where you extracted the VGPC GD-Rom Dumping Kit, and select "TOC122A.CCD".
| + | |
| - | * Then, select the drive with the blank CD-R inside. Click on the "Protected PC Game" profile. The write speed shouldn't matter much since this is such a small image, but 8x speed recommended.
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| - | ==Dumping the LD Area==
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| - | The LD Area should be dumped with DICUI using this guide: [[Disc Dumping Guide (DICUI)]].
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| - | The LD Area is a standard CD-Rom, so it will be the only data to appear when mounted in a computer.
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| - | ==Dumping the HD Area==
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| - | To dump the HD Area of the GD-Rom, the swap disc method is used. To do this you will have to remove the four bottom screws of your drive and faceplate. Afterwards, set the top back onto the drive. It will be removed after the startstop step. Note: Refer to video guide at the top of this page if you're confused.
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| - | | + | |
| - | * Insert the audio Trap Disc to an HD Area [[DiscImageCreator:_Optical_Disc_Drive_Compatibility#GD-Rom|compatible drive]]. | + | |
| - | * In command line, '''cd''' (change directory) to the "VGPC GD-Rom Dumping Kit" folder. | + | |
| - | * Run '''startstop [driveletter] 1'''
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| - | * Remove the top off the drive.
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| - | * Insert the GD-Rom and put the drive top back on. | + | |
| - | * Run '''dcdumper [drive letter] -c446261 -df -ft -t0 -p20'''
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| - | * It will take several "PASS"es to get all matches, this is fine. If you need to stop (sometimes there is no progress for 30mins) and restart the dumping process, it will continue where it left off - so don't delete progress if you have to stop it.
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| - | * When the HD Area dump completes, you'll convert it to it's final form. Run '''ice.exe dense.bin 44990 > gamename.txt''' This will produce a bunch of files starting with "Track 03" and going as high as however many “tracks” were on the HD section of the disc (sometimes there will only be one, sometimes it will go up to Track 98).
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| - | If dcdumper fails to run with an error complaining about MSVCP100.DLL being missing, install the Microsoft Visual C++ 2010 Redistributable Package (x86) to fix this issue.
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| - | | + | |
| - | ==Submitting your dump info==
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| | [[Category:Dumping Guides]] | | [[Category:Dumping Guides]] |
GD discs were used by the Sega Dreamcast console and Sega NAOMI, Sega NAOMI 2, Sega Chihiro, and Triforce arcade systems.
The discs contain two distinct areas, a Low Density Area ("LD Area") and a High Density Area ("HD Area"), physically separated by a ring. You'll need to dump both areas of the disc, each requiring different drive models and methods.
The LD Area is formatted like a standard CD-ROM, so should be dumped using the standard Disc Dumping Guide (MPF). The CD-ROM profile should be selected in MPF.
